With earlycon on, I am able to get more output. This looks like a smoking gun:
[ 0.460249] CPU features: CPU1: Detected conflict for capability 11 (Virtualization Host Extensions), System: 0, CPU: 1 git blame for this error message points at: e988af0188e30 arm64: capabilities: Unify the verification ** Attachment added: "earlycon-console.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1852723/+attachment/5306302/+files/earlycon-console.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1852723 Title: [Regression] Bionic kernel 4.15.0-71.80 can not boot on ThunderX2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1852723/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
